CN110887591B - Nuclear power water intaking sea area block pulling force on-line monitoring system - Google Patents
Nuclear power water intaking sea area block pulling force on-line monitoring system Download PDFInfo
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- CN110887591B CN110887591B CN201911110861.4A CN201911110861A CN110887591B CN 110887591 B CN110887591 B CN 110887591B CN 201911110861 A CN201911110861 A CN 201911110861A CN 110887591 B CN110887591 B CN 110887591B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 238000004891 communication Methods 0.000 claims abstract description 21
- 230000000903 blocking effect Effects 0.000 claims abstract description 16
- 238000004458 analytical method Methods 0.000 claims description 11
- 238000007619 statistical method Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000012216 screening Methods 0.000 claims description 6
- 238000004422 calculation algorithm Methods 0.000 claims description 5
- 238000013475 authorization Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 claims description 3
- 230000003993 interaction Effects 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 230000006855 networking Effects 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000011160 research Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
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- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
Abstract
A nuclear power water intake sea area blocking net pulling force on-line monitoring system comprises a pulling force sensor, a current meter, a local equipment box, a remote server and a client; the number of the tension sensors is two, and the two tension sensors are connected in series at two ends of the main line of the interception net; the number of the current meters is two, the current meters are positioned at the front side and the rear side of the interception net body, and the two current meters are positioned at the same level and the same depth; a communication module is arranged in the local equipment box, the input end of the communication module is connected with the tension sensor and the current meter in a wired way, and the output end of the communication module is connected with a remote server in a wireless way; the remote server is in communication connection with the client. The invention solves the problem that the common tension sensor is difficult to use on the interception net because of small measuring range, filters unstable environmental influence, monitors more accurate data, reduces the deployment difficulty of monitoring equipment by adopting a local wired and remote wireless networking mode, and enhances the adaptability to the severe working environment of the water intake.
Description
Technical Field
The invention relates to the field of barrier net tension detection, in particular to an online monitoring system for the barrier net tension in a nuclear power water taking sea area.
Background
The operation state of the water intake of the nuclear power plant directly influences the safe operation and reliability of the power plant, and in order to cope with marine organism invasion of the nuclear power plant, the method adopted is to arrange an interception net to be removed in a mode of matching with manual salvage. At present, the research on the monitoring of the state of the blocking net is relatively lacking, and the stress condition of the blocking net can be calculated only according to theoretical analysis. Because of various structures in the water taking area and the comprehensive actions of wind, wave and flow, the stress condition of the blocking net is very complex, the real stress data is difficult to obtain through simple theoretical calculation, and the blocking net and even the water taking system face failure risks.
Disclosure of Invention
Object of the invention
In order to solve the technical problems in the background technology, the invention provides an on-line monitoring system for the blocking tension of a nuclear power water intake sea area, which solves the problem that a general tension sensor is small in measuring range and is difficult to use on an blocking net, filters out unstable environmental influence, monitors more accurate data, reduces the deployment difficulty of monitoring equipment by adopting a local wired and remote wireless networking mode, and enhances the adaptability to the severe working environment of a water intake.
(II) technical scheme
The invention provides a nuclear power electricity water intake sea area blocking net pulling force on-line monitoring system which comprises a pulling force sensor, a current meter, a local equipment box, a remote server and a client, wherein the pulling force sensor is connected with the current meter;
the number of the tension sensors is two, and the two tension sensors are connected in series at two ends of the main line of the interception net; the number of the current meters is two, the current meters are positioned at the front side and the rear side of the interception net body, and the two current meters are positioned at the same level and the same depth;
a communication module is arranged in the local equipment box, the input end of the communication module is connected with the tension sensor and the current meter in a wired way, and the output end of the communication module is connected with a remote server in a wireless way; the remote server is in communication connection with the client.
Preferably, the tension sensor is of a column design.
Preferably, eight groups of strain units are arranged in a patch mode along an axial circular ring in the barrel structure of the tension sensor, and each group of strain units comprises a resistance strain gauge and a Wheatstone bridge.
Preferably, the shell of the tension sensor is also provided with two sacrificial anodes.
Preferably, the main power supply is local-end commercial power, a standby storage battery is also arranged in the local-end equipment box, and the main power supply can be automatically switched to the standby storage battery for supplying power under the condition of failure;
when the main power supply works normally and the electric quantity of the storage battery is lower than 80%, the storage battery is charged, and the system can normally operate for seven days under the condition that the main power supply fails.
Preferably, a DTU module is also arranged in the local equipment box;
the DTU module is used for transferring serial communication to 4G communication, receiving data input from the serial port of the tension sensor and transferring the data to a remote server through a 4G network.
Preferably, the remote server comprises a data transmission module, a storage module, an analysis module and a query module;
the data transmission module is used for receiving and transmitting related data;
the storage module is used for storing the data;
the analysis module takes data collected by the tension sensor and the current meter as input through carrying a monitoring algorithm, and forms comprehensive research and judgment of the tension of the interception net under multiple data sources through data synchronization, screening and coupling treatment;
and the query module is used for providing the query service required by the client.
Preferably, the client is mainly used for completing real-time interaction with the user.
Preferably, the client comprises a monitoring result real-time display module, a historical data statistical analysis module, a monitoring daily report automatic generation module, a real-time tension line-crossing alarm module and a user authority grading management module;
the monitoring result is displayed in real time and used for providing a plurality of presentation modes such as numerical values, charts and the like for the monitoring result;
the historical data statistical analysis is used for providing historical data multi-condition screening inquiry and supporting preliminary statistical analysis;
the monitoring daily report is automatically generated and is used for automatically generating the monitoring daily report, and briefly summarizing the monitoring key results of the daily report;
real-time tension out-of-limit alarm is used for directly reminding related personnel of tension change to be alerted by setting a tension monitoring alarm threshold;
and the user authority hierarchical management is used for setting the authority of hierarchical management and carrying out corresponding authorization according to the working requirements.
The technical scheme of the invention has the following beneficial technical effects:
the invention overcomes the problem that the common tension sensor has small measuring range and is difficult to use on the interception net by adopting the self-grinding large-range tension sensor and researching and developing the barrel type high-strength tension member, and also takes the monitoring results of the current meters at the two sides of the net body as auxiliary input to increase the current conditions under the comprehensive actions of wind, wave, surge, tide and the like, and combines a background algorithm to filter out unstable environmental influence and increase the accuracy of tension monitoring data; and the networking mode of local end wired and remote end wireless is adopted, so that the deployment difficulty of monitoring equipment is reduced, and the adaptability to the severe working environment of the water intake is enhanced.
Drawings
Fig. 1 is a system block diagram of an on-line monitoring system for the blocking tension of a nuclear power water sea area.
Reference numerals: 1. a tension sensor; 2. a current meter; 3. an on-site equipment box; 4. a remote server; 5. and a client.
Detailed Description
The objects, technical solutions and advantages of the present invention will become more apparent by the following detailed description of the present invention with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the invention. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present invention.
As shown in fig. 1, the invention provides an on-line monitoring system for the blocking tension of a nuclear power generation water sea area, which comprises a tension sensor 1, a current meter 2, a local equipment box 3, a remote server 4 and a client 5;
the number of the tension sensors 1 is two, and the two tension sensors 1 are connected in series at two ends of the main class of the interception net; the number of the current meters 2 is two, the current meters 2 are positioned at the front side and the rear side of the interception net body, and the two current meters 2 are positioned at the same level and the same depth;
a communication module is arranged in the local equipment box 3, the input end of the communication module is connected with the tension sensor 1 and the current meter 2 in a wired manner, and the output end of the communication module is connected with the remote server 4 in a wireless manner; the remote server 4 is communicatively connected to the client 5.
In an alternative embodiment, the tension sensor 1 is of a column design.
In an alternative embodiment, eight sets of strain cells are arranged in a patch fashion along an axial ring within the barreled structure of the tension sensor 1, and each set of strain cells includes a resistive strain gauge and a wheatstone bridge.
In an alternative embodiment, two sacrificial anodes are also provided on the housing of the tension sensor 1.
In an alternative embodiment, the main power source is local end commercial power, and a standby storage battery (including a charger) is further arranged in the local end equipment box 3, wherein the storage battery has the specification of 12V and 80AH and is provided with an adapter; the power supply can be automatically switched to the standby storage battery for supplying power under the condition that the main power supply fails;
when the main power supply works normally and the electric quantity of the storage battery is lower than 80%, the storage battery is charged, and the system can normally operate for seven days under the condition that the main power supply fails.
In an alternative embodiment, a DTU module is further provided in the local end equipment box 3;
the DTU module is used for transferring the serial communication to the 4G communication, receiving the data input from the serial port of the tension sensor 1 and transferring the data to the remote server 4 through the 4G network.
In an alternative embodiment, the remote server 4 includes a data transmission module, a storage module, an analysis module, and a query module;
the data transmission module is used for receiving and transmitting related data;
the storage module is used for storing the data;
the analysis module takes data collected by the tension sensor 1 and the current meter 2 as input through carrying a monitoring algorithm, and forms comprehensive research and judgment of the tensile force of the interception net under multiple data sources through data synchronization (time synchronization), screening (obvious noise removal) and coupling treatment (data fusion);
and the query module is used for providing the query service required by the client 5.
In an alternative embodiment, the client 5 is primarily used to accomplish real-time interactions with the user.
In an alternative embodiment, the client 5 comprises a monitoring result real-time display module, a historical data statistics analysis module, a monitoring daily report automatic generation module, a real-time tension line-crossing alarm module and a user authority grading management module;
the monitoring result is displayed in real time and used for providing a plurality of presentation modes such as numerical values, charts and the like for the monitoring result;
the historical data statistical analysis is used for providing historical data multi-condition screening inquiry and supporting preliminary statistical analysis;
the monitoring daily report is automatically generated and is used for automatically generating the monitoring daily report, and briefly summarizing the monitoring key results of the daily report;
real-time tension out-of-limit alarm is used for directly reminding related personnel of tension change to be alerted by setting a tension monitoring alarm threshold;
and the user authority hierarchical management is used for setting the authority of hierarchical management and carrying out corresponding authorization according to the working requirements.
In an alternative embodiment, the tension sensor 1 is mounted as follows: the connecting lantern rings at the two ends of the tension sensor 1 are provided with a D-shaped shackle and a threaded lantern ring, wherein the D-shaped shackle is formed by sleeving a clasp ring through 20mm through holes at the two sides of the tension sensor, the threaded lantern ring is formed by respectively installing M48 x 5 threaded rings at the two sides of the body of the tension sensor 1, and a steel anti-loosening washer is additionally arranged at the interface to prevent the measured steel wire rope from twisting and screwing out to the threaded part of the rings, so that the measuring precision and the mechanical performance are affected;
during installation, one end of the tension sensor 1 is connected with a reliable structure at the shore end, and the tension sensor is connected with the reliable structure at the shore end by a shackle or a steel wire rope, wherein the steel wire rope is connected in a manner of penetrating the steel wire rope into the shackle/lantern ring, leaving a proper tail length, and fastening by using a stainless steel wire rope chuck; then the other end of the tension sensor is connected with the interception net main rope in the mode, and a local equipment box is installed by using connecting pieces such as expansion screws; and finally, respectively connecting a data wire and a power wire at the T end of the tension sensor to a DTU serial port and a storage battery terminal, and performing waterproof treatment on the equipment box by using glass cement.
According to the invention, the self-grinding wide-range tension sensor 1 is adopted, the barrel type high-strength tensile member is researched, the problem that the common tension sensor 1 is small in range and difficult to use on the interception net is solved, the monitoring results of the current meters 2 at the two sides of the net body are used as auxiliary input for increasing the current conditions under the comprehensive actions of wind, wave, surge, tide and the like, unstable environmental influences are filtered by combining a background algorithm, and the accuracy of tension monitoring data is improved; and the networking mode of local end wired and remote end wireless is adopted, so that the deployment difficulty of monitoring equipment is reduced, and the adaptability to the severe working environment of the water intake is enhanced.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explanation of the principles of the present invention and are in no way limiting of the invention. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present invention should be included in the scope of the present invention. Furthermore, the appended claims are intended to cover all such changes and modifications that fall within the scope and boundary of the appended claims, or equivalents of such scope and boundary.
Claims (6)
1. The online monitoring system for the blocking net tension in the nuclear power water taking sea area is characterized by comprising a tension sensor (1), a current meter (2), a local equipment box (3), a remote server (4) and a client (5); the number of the tension sensors (1) is two, and the two tension sensors (1) are connected in series at two ends of the main class of the interception net; the number of the current meters (2) is two, the current meters are positioned at the front side and the rear side of the interception net body, and the two current meters (2) are positioned at the same level and the same depth; a communication module is arranged in the local equipment box (3), the input end of the communication module is connected with the tension sensor (1) and the current meter (2) in a wired way, and the output end of the communication module is connected with the remote server (4) in a wireless way; the remote server (4) is in communication connection with the client (5), and the remote server (4) comprises an analysis module, wherein the analysis module takes data acquired by the tension sensor (1) and the current meter (2) as input through carrying a monitoring algorithm, and the analysis module performs data synchronization, screening and coupling treatment to form comprehensive analysis of the tension of the interception net under multiple data sources; the tension sensor (1) adopts a column type design; eight groups of strain units are arranged in the barrel structure of the tension sensor (1) along the axial ring in a patch mode, and each group of strain units comprises a resistance strain gauge and a Wheatstone bridge; the outer shell of the tension sensor (1) is also provided with two sacrificial anodes.
2. The online monitoring system for the blocking net tension in the nuclear power water intake sea area according to claim 1, wherein the main power supply is local end mains supply, a standby storage battery is further arranged in a local end equipment box (3), and the system can be automatically switched to the standby storage battery for supplying power under the condition that the main power supply fails; when the main power supply works normally and the electric quantity of the storage battery is lower than 80%, the storage battery is charged, and the system can normally operate for seven days under the condition that the main power supply fails.
3. The online monitoring system for the blocking net tension in the nuclear power water intake sea area according to claim 1 is characterized in that a DTU module is further arranged in the local equipment box (3); the DTU module is used for transferring serial communication to 4G communication, receiving data input from the serial port of the tension sensor (1) and transferring the data to the remote server (4) through the 4G network.
4. The nuclear power water intake sea area blocking net pulling force on-line monitoring system according to claim 1, wherein the remote server (4) further comprises a data transmission module, a storage module and a query module; the data transmission module is used for receiving and transmitting related data; the storage module is used for storing the data; and the query module is used for providing query services required by the client (5).
5. The online monitoring system for the pulling force of a nuclear power water intake sea area blocking net according to claim 1, wherein the client 5 is mainly used for achieving real-time interaction with a user.
6. The nuclear power water intake sea area blocking net pulling force on-line monitoring system according to claim 1, wherein the client (5) comprises a monitoring result real-time display module, a historical data statistics analysis module, a monitoring daily report automatic generation module, a real-time pulling force line crossing alarm module and a user authority grading management module; the monitoring result is displayed in real time and used for providing a plurality of presentation modes such as numerical values, charts and the like for the monitoring result; the historical data statistical analysis is used for providing historical data multi-condition screening inquiry and supporting preliminary statistical analysis; the monitoring daily report is automatically generated and is used for automatically generating the monitoring daily report, and briefly summarizing the monitoring key results of the daily report; real-time tension out-of-limit alarm is used for directly reminding related personnel of tension change to be alerted by setting a tension monitoring alarm threshold; and the user authority hierarchical management is used for setting the authority of hierarchical management and carrying out corresponding authorization according to the working requirements.
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| CN201911110861.4A CN110887591B (en) | 2019-11-14 | 2019-11-14 | Nuclear power water intaking sea area block pulling force on-line monitoring system |
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| CN113820061B (en) * | 2021-08-23 | 2023-05-30 | 苏州热工研究院有限公司 | Alarm method of interception net tension monitoring system |
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